/**
 * Created with IntelliJ IDEA.
 * Description:
 * User: 86183
 * Date: 2024-01-08
 * Time: 16:47
 */
public class Test {
    public static void main(String[] args) {
        MyStack myStack=new MyStack();
        myStack.push(1);
        myStack.push(2);
        myStack.push(3);
        myStack.push(9);
        System.out.println(myStack.peek());
        System.out.println(myStack.size());
    }
}
